551212223227 has 2 divisors, whose sum is σ = 551212223228. Its totient is φ = 551212223226.

The previous prime is 551212223197. The next prime is 551212223323. The reversal of 551212223227 is 722322212155.

551212223227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551212223227 - 2³¹ = 549064739579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551212223192 and 551212223201.

It is not a weakly prime, because it can be changed into another prime (551212227227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275606111613 + 275606111614.

It is an arithmetic number, because the mean of its divisors is an integer number (275606111614).

Almost surely, 2^551212223227 is an apocalyptic number.

551212223227 is a deficient number, since it is larger than the sum of its proper divisors (1).

551212223227 is an equidigital number, since it uses as much as digits as its factorization.

551212223227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 34.

The spelling of 551212223227 in words is "five hundred fifty-one billion, two hundred twelve million, two hundred twenty-three thousand, two hundred twenty-seven".